function F = price_declineM(sal_pnt)

%
% This program returns the price decline, given the 
% associated sales cdf.
%
% for the MONOPOLIST
%
% Parameters estimated in prc_func_est.m
%

%load in coef of 3rd order polynomial
load prc_par_estimates3_M

ll = length(sal_pnt);

x = [ones(ll,1) sal_pnt sal_pnt.^2 sal_pnt.^3];

F = x*res_ols3.beta;
